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The following is a comparison of e-book formats used to create and publish e-books . The EPUB format is the most widely supported e-book format, supported by most e-book readers except Amazon Kindle [ a] devices. Most e-book readers also support the PDF and plain text formats. E-book software can be used to convert e-books from one format to ...
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List of used book conditions. The set of terms below were proposed in 1949 by AB Bookman's Weekly. They were adopted by the bookselling community and are still in use today. [ 1][ 2][ 3] As new means that the book is in the state that it should have been in when it left the publisher. This is the equivalent of mint condition in numismatics.
Common Era. Common Era ( CE) and Before the Common Era ( BCE) are year notations for the Gregorian calendar (and its predecessor, the Julian calendar ), the world's most widely used calendar era. Common Era and Before the Common Era are alternatives to the original Anno Domini (AD) and Before Christ (BC) notations used for the same calendar era.
A Guide Book of United States Coins (The Official Red Book), first compiled by R. S. Yeoman in 1946, is a price guide for coin collectors of coins of the United States dollar, commonly known as the Red Book. Along with its sister publication, the older Handbook of United States Coins (The Official Blue Book), it is considered an authoritative U ...
Leicester (/ ˈ l ɛ s t ər / ⓘ LES-tər) [7] is a city, unitary authority area, unparished area and the county town of Leicestershire in the East Midlands of England. It is the largest city in the East Midlands with a population of 373,399 in 2022. [4]
f-number. Diagram of decreasing apertures, that is, increasing f-numbers, in one-stop increments; each aperture has half the light-gathering area of the previous one. An f-number is a measure of the light-gathering ability of an optical system such as a camera lens. It is calculated by dividing the system's focal length by the diameter of the ...